- Published
- October 20, 1961
- Models
- DC-8-11, DC-8-12, DC-8-21, DC-8-31, DC-8-32, DC-8-33 and 21 more
- Data sheet
- TCDS4A25
- Registered aircraft
- 8 matched by model
- Product
- Aircraft · Large airplane
Unofficial copy of the text in the FAA’s Dynamic Regulatory System. The FAA’s own copy is the authoritative one. DRS record last changed May 30, 2024.
Copies of the files this page was built from, with their SHA-256. Retrieved October 18, 2026.
| File | Size | SHA-256 | Original |
|---|---|---|---|
| FAA DRS HTML | 20 KB | 39aea5a8…0a3a375 | FAA DRS (API key needed) |
On this page
The airworthiness directive
61-21-02 DOUGLAS: Amdt. 350 Part 507 Federal Register October 20, 1961. Applies to All DC-8 Aircraft.
Compliance required within the next 10 hours' time in service.
As an interim safety measure pending development of modifications to the throttle control system and reversing mechanism the following procedures shall be followed:
Reverse thrust after landing shall not be used until:
(a) The main and nose gear of the aircraft are firmly on the ground,
(b) the blue ejector lights are on steady,
(c) the reverse power lever is positioned to reverse detent, and
(d) the amber reverser lights are on steady.
If the amber reverser lights are on steady, additional symmetrical reverse may be used on the inboard engines and thereafter reverse power may be used on the outboard engines if required.
This directive effective for all persons except those to whom it was made effective immediately by telegram dated October 6, 1961.
Affected TCDS · 1
The type certificate data sheets for the models this AD names, matched by model and maker.
Registered aircraft · 8
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.
| 1968 | 1 |
|---|---|
| 1969 | 1 |
| 1972 | 1 |
5 with no year recorded